*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f5f5;color:#1a1a1a}.container{max-width:480px;margin:80px auto;padding:32px;background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;text-align:center}h1{margin-bottom:16px;font-size:24px}p{margin-bottom:16px;color:#555}.actions{display:flex;gap:12px;justify-content:center;margin-bottom:16px}button{padding:10px 20px;border:none;border-radius:6px;font-size:14px;cursor:pointer;background:#1a1a1a;color:#fff;transition:opacity .15s}button:hover{opacity:.85}button:disabled{opacity:.5;cursor:not-allowed}.status{font-size:14px;color:#333}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:8px;padding:32px;text-align:center;max-width:360px;width:90%;box-shadow:0 4px 12px #00000026}.modal h2{margin:16px 0 8px;font-size:18px}.modal p{font-size:14px;color:#555}.spinner{width:32px;height:32px;border:3px solid #e0e0e0;border-top-color:#1a1a1a;border-radius:50%;margin:0 auto;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}